Improve Orchestra\Resources test case

Signed-off-by: crynobone <crynobone@gmail.com>
Improve Orchestra\View test case

Signed-off-by: crynobone <crynobone@gmail.com>
Complete code coverage on Orchestra\Widget\Nesty

Signed-off-by: crynobone <crynobone@gmail.com>
Complete code coverage on Orchestra\Widget\Nesty
Complete code coverage on Orchestra\Theme\Container.

Signed-off-by: crynobone <crynobone@gmail.com>
Update the fixtures.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove deprecated Extension structure

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch 'staging' into develop